Using an Arduino microcontroller with some simple circuitry, we can monitor the AC wave to determine the proper time to turn the power on and off with the TRIAC (a 10kOhm pull-up resistor is needed at the H11AA1 pin 5). The circuit I used to do this is shown below.

Filename	Size	Update
PID_FrontEnd_v03\PID_FrontEnd_ArduinoSampleCode
PID_FrontEnd_v03\PID_FrontEnd_ArduinoSampleCode\PID_FrontEnd_ArduinoSampleCode.pde	4762	2011-04-14
PID_FrontEnd_v03\PID_FrontEnd_Explained.png	35248	2009-05-30
PID_FrontEnd_v03\PID_FrontEnd_v03
PID_FrontEnd_v03\PID_FrontEnd_v03\data
PID_FrontEnd_v03\PID_FrontEnd_v03\data\axis.vlw	17199	2009-07-04
PID_FrontEnd_v03\PID_FrontEnd_v03\data\Titles.vlw	31724	2009-07-04
PID_FrontEnd_v03\PID_FrontEnd_v03\PID_FrontEnd_v03.pde	16208	2011-04-14

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